OvmfPkg: adapt VirtioPrepare()'s leading comment to the coding style

Contributed-under: TianoCore Contribution Agreement 1.0

Signed-off-by: Laszlo Ersek <lersek@redhat.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14360 6f19259b-4bc3-4df7-8a09-765794883524
2 files changed